package com.sy.crm.action;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class FileUploadAction extends ActionSupport  {
    private static final long serialVersionUID = 572146812454l ;
    private static final int BUFFER_SIZE = 16 * 1024 ;
   
    private File myFile;
    private String contentType;
    private String fileName;
    private String imageFileName;
    private String caption;
   
    public void setMyFileContentType(String contentType)  {
        this .contentType = contentType;
   } 
   
    public void setMyFileFileName(String fileName)  {
        this .fileName = fileName;
   } 
       
    public void setMyFile(File myFile)  {
        this .myFile = myFile;
   } 
   
    public String getImageFileName()  {
        return imageFileName;
   } 
   
    public String getCaption()  {
        return caption;
   } 

     public void setCaption(String caption)  {
        this .caption = caption;
   } 
   
    private static void copy(File src, File dst)  {
        try  {
           InputStream in = null ;
           OutputStream out = null ;
            try  {                
               in = new BufferedInputStream( new FileInputStream(src), BUFFER_SIZE);
               out = new BufferedOutputStream( new FileOutputStream(dst), BUFFER_SIZE);
                byte [] buffer = new byte [BUFFER_SIZE];
                while (in.read(buffer) > 0 )  {
                   out.write(buffer);
               } 
            } finally  {
                if ( null != in){
                   in.close();
               } 
                 if ( null != out){
                   out.close();
               } 
           } 
        } catch (Exception e){
           e.printStackTrace();
       } 
   } 
   
    private static String getExtention(String fileName)  {
        int pos = fileName.lastIndexOf(".");
        return fileName.substring(pos);
   } 

    public String execute()      {        
       imageFileName = new Date().getTime() + getExtention(fileName);
       File imageFile = new File(ServletActionContext.getServletContext().getRealPath("/emp/UploadImages")+"/"+imageFileName);
       copy(myFile, imageFile);
        return SUCCESS;
   } 
   
} 